[PATCH 2/4] tools/libs/ctrl: don't set errno to a negative value

[Juergen Gross <jgross@xxxxxxxx>]

The claimed reason for setting errno to -1 is wrong. On x86
xc_domain_pod_target() will set errno to a sane value in the error
case.

Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
---
 tools/libs/ctrl/xc_domain.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/tools/libs/ctrl/xc_domain.c b/tools/libs/ctrl/xc_domain.c
index ef62f66009..71608c00e9 100644
--- a/tools/libs/ctrl/xc_domain.c
+++ b/tools/libs/ctrl/xc_domain.c
@@ -1293,9 +1293,7 @@ int xc_domain_get_pod_target(xc_interface *xch,
                              uint64_t *pod_cache_pages,
                              uint64_t *pod_entries)
 {
-    /* On x86 (above) xc_domain_pod_target will incorrectly return -1
-     * with errno==-1 on error. Do the same for least surprise. */
-    errno = -1;
+    errno = EOPNOTSUPP;
     return -1;
 }
 #endif
-- 
2.34.1